# 46 CFR § 4.03-0: Definitions that apply to this subpart

> Federal · Regulations · In force

URL: https://www.frixlaw.com/law-library/statutes/ecfr-46-4.03-0

## Section

- **Citation:** 46 CFR § 4.03-0
- **Heading:** Definitions that apply to this subpart
- **Jurisdiction:** Federal
- **Kind:** Regulations
- **Status:** In force
- **Text as of:** September 22, 2026
- **Source:** Publisher's official text
- **Location:** Title 46—Shipping > CHAPTER I—COAST GUARD, DEPARTMENT OF HOMELAND SECURITY > SUBCHAPTER A—PROCEDURES APPLICABLE TO THE PUBLIC > PART 4—MARINE CASUALTIES AND INVESTIGATIONS > Subpart 4.03—Definitions

## Text

This subpart contains terms defined for purposes of this part. Other definitions used in this part are in 33 CFR 140.10.
[USCG-2013-1057, 91 FR 39485, June 30, 2026]

## Nearby sections

- [46 CFR § 4.01-1 § 4.01-1 Scope of regulation.](https://www.frixlaw.com/law-library/statutes/ecfr-46-4.01-1.md)
- [46 CFR § 4.01-3 § 4.01-3 Reporting exclusion.](https://www.frixlaw.com/law-library/statutes/ecfr-46-4.01-3.md)
- [46 CFR § 4.03-0 § 4.03-0 Definitions that apply to this subpart.](https://www.frixlaw.com/law-library/statutes/ecfr-46-4.03-0.md)
- [46 CFR § 4.03-1 § 4.03-1 Marine casualty or accident.](https://www.frixlaw.com/law-library/statutes/ecfr-46-4.03-1.md)
- [46 CFR § 4.03-2 § 4.03-2 Serious marine incident.](https://www.frixlaw.com/law-library/statutes/ecfr-46-4.03-2.md)
- [46 CFR § 4.03-4 § 4.03-4 Individual directly involved in a serious marine incident.](https://www.frixlaw.com/law-library/statutes/ecfr-46-4.03-4.md)
- [46 CFR § 4.03-5 § 4.03-5 Medical facility.](https://www.frixlaw.com/law-library/statutes/ecfr-46-4.03-5.md)
- [46 CFR § 4.03-6 § 4.03-6 Qualified medical personnel.](https://www.frixlaw.com/law-library/statutes/ecfr-46-4.03-6.md)
- [46 CFR § 4.03-7 § 4.03-7 Chemical test.](https://www.frixlaw.com/law-library/statutes/ecfr-46-4.03-7.md)
- [46 CFR § 4.03-10 § 4.03-10 Party in interest.](https://www.frixlaw.com/law-library/statutes/ecfr-46-4.03-10.md)
- [46 CFR § 4.03-15 § 4.03-15 Commandant.](https://www.frixlaw.com/law-library/statutes/ecfr-46-4.03-15.md)
- [46 CFR § 4.03-20 § 4.03-20 Coast Guard district.](https://www.frixlaw.com/law-library/statutes/ecfr-46-4.03-20.md)
- [46 CFR § 4.03-25 § 4.03-25 District Commander.](https://www.frixlaw.com/law-library/statutes/ecfr-46-4.03-25.md)
- [46 CFR § 4.03-30 § 4.03-30 Investigating officer.](https://www.frixlaw.com/law-library/statutes/ecfr-46-4.03-30.md)

---

Source: Frix Law Library, https://www.frixlaw.com/law-library/statutes/ecfr-46-4.03-0. Check the current official text before relying on it. Not legal advice.